Obsidian (Harry Potter Fan Fiction, Sequel to the Lazuli Trilogy)

Everybody knows about Draco and Juliet Malfoy; how they came back from the dead to defeat the Dark Lord and overcame all of the evil and obstacles that he threw in their way. They're practically famous; nowadays with Draco being the Headmaster of Hogwarts and Juliet teaching potions after giving up her magic to save t...